Notes on some species of Graphis s. str. occurring in the coastal plain of southeastern North America are presented. The use of the name G. pavoniana in the region is discussed. The following species are newly reported from North America: G. hyphosa (Georgia, South Carolina), G. intermedians (Georgia, Florida), G. oxyclada (Florida) and G. pinicola (Georgia, Florida). Graphis intermedians is also newly reported for the Neotropics. Two species with anthraquinone pigments in the lirellae are described as new to science: G. hodgesiana and G. tamiamiensis.